<h4 class="mb-3">1.禁用某个复选框</h4>
<input id="checkbox-disabled1" type="checkbox" label="Checkbox" tiCheckbox [(ngModel)]="checked" [disabled]="true" />
<h4 class="mb-3">2.复选组禁用某个选项</h4>
<ti-checkbox-group id="checkbox-group-disabled" [items]="items" [(ngModel)]="value"> </ti-checkbox-group>
